That is an interesting way of putting it. I (metric since birth) find that zero degrees centigrade is a very strong signal that things are getting cooler or war

That is an interesting way of putting it. I (metric since birth) find that zero degrees centigrade is a very strong signal that things are getting cooler or warmer. I would think that, from a usability point of view, zero is easier to retain than thirty two (assuming that ice is an important factor in your neck of the woods).